EP1506839B1 - Outil de finition - Google Patents

Outil de finition Download PDF

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Publication number
EP1506839B1
EP1506839B1 EP03400048A EP03400048A EP1506839B1 EP 1506839 B1 EP1506839 B1 EP 1506839B1 EP 03400048 A EP03400048 A EP 03400048A EP 03400048 A EP03400048 A EP 03400048A EP 1506839 B1 EP1506839 B1 EP 1506839B1
Authority
EP
European Patent Office
Prior art keywords
element according
finishing element
finishing
curvature
shaped portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03400048A
Other languages
German (de)
English (en)
Other versions
EP1506839A1 (fr
Inventor
Oliver Hildebrandt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Supfina Grieshaber GmbH and Co KG
Original Assignee
Supfina Grieshaber GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Supfina Grieshaber GmbH and Co KG filed Critical Supfina Grieshaber GmbH and Co KG
Priority to EP03400048A priority Critical patent/EP1506839B1/fr
Priority to DE50301626T priority patent/DE50301626D1/de
Publication of EP1506839A1 publication Critical patent/EP1506839A1/fr
Application granted granted Critical
Publication of EP1506839B1 publication Critical patent/EP1506839B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36—Single-purpose machines or devices
    • B24B5/42—Single-purpose machines or devices for grinding crankshafts or crankpins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B35/00—Machines or devices designed for superfinishing surfaces on work, i.e. by means of abrading blocks reciprocating with high frequency
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/08—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section
    • B24B19/12—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section for grinding cams or camshafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/004—Machines or devices using grinding or polishing belts; Accessories therefor using abrasive rolled strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/02—Machines or devices using grinding or polishing belts; Accessories therefor for grinding rotationally symmetrical surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/18—Accessories

Definitions

  • the invention relates to a finish element for a Finishing machine with a on a workpiece layable C-shaped section, which from the EP 0 781 627 is known.
  • EP 0 781 627 B1 discloses a microfinishing machine known, which is equipped with a finish element, which is so flexible that it is radially to the editing surface can geometrically adjust. This means that the finish element is in Apply substantially to workpieces of the same diameter can, but this diameter by tension of the Finish element in the range less microns (microns) to be changed can. If a workpiece with a different diameter to be machined, another finish element must be used which is adapted to this other diameter.
  • the workpieces to be machined are for Example around rotationally symmetrical components, such as Transmission shafts, camshafts, crankshafts or the like. At these shafts are bearing points or also stroke bearings, Edited sealed bearings or the like. It is conceivable that on one and the same workpiece bearings with different diameters, for example, main bearing with a first diameter, stroke bearing with a second Diameter and sealing bearing with a third diameter are available, each with their own finish element each a C-shaped section with appropriate Diameter must be used. The workpiece must then after machining the bearings with the first diameter in a second processing station to be implemented, in which the bearings are machined with the second diameter can. This is time consuming, for another, must accordingly many processing stations with corresponding Editing tools are provided.
  • the invention is therefore based on the object To provide finish element, with the workpieces with Areas with different diameters faster and can be processed cheaper.
  • This task is done with a finishing element of the beginning mentioned type according to the invention solved in that the C-shaped Section at least two semi-cylindrical Has investment areas and the investment areas have different radii of curvature.
  • the finish element according to the invention therefore has a C-shaped Section, not just for a single depository is designed with a certain diameter, but with also a second bearing with a second diameter can be edited, since to the first depository of the first semi-cylindrical investment area applies and to the second bearing point of the second semi-cylindrical Investment area comes to the plant.
  • the different ones Curvature radii of the two investment areas correspond the diameters of the two bearing points to be machined.
  • the C-shaped section is mirror-symmetrical. This has the Advantage that the C-shaped section is not preferred Has installation position and therefore used universally can. In addition, the production of such sections much easier and cheaper, because the tools for this can be designed simpler.
  • the C-shaped Section formed point-symmetrical.
  • the point-symmetric Design of the C-shaped section still offers the Advantage that the pages are designed identically.
  • a middle investment area of two outer investment areas flanked.
  • the middle investment area has one smaller radius of curvature r than the two outer ones Investment areas that have a larger radius of curvature R.
  • the middle investment area attaches to this Lagerlager, whereas bearings with larger Diameter R of the two outer investment areas be processed, the average investment area in this Case a small distance to the bearing with larger Diameter possesses, that does not touch it.
  • the both outer bearing areas the same radius of curvature R. This creates the advantage that the finish element on the one hand evenly to the bearing to be processed on the other hand, the distribution of forces on the Finish element is uniform, so the finish element is not or be supported only slightly against pivoting got to.
  • the investment areas extend over one Circumferential angle of 10 ° to 80 °, in particular from 35 ° to 75 °.
  • the average investment area can be over a Circumferential angle of 70 ° to 85 ° extend, with the both outer abutment areas each over a circumferential angle extend from 30 ° to 40 °.
  • the sum of the circumferential angles of the two outer investment areas corresponds to the Circumferential angle of the middle bearing area.
  • the C-shaped section can either be directly into the Finish element incorporated, but preferably the C-shaped section is formed by an insert.
  • This Insert can be made of metal, for example brass, aluminum or Steel, of plastic, in particular Vulkollan Ceramic, stone or a composite material.
  • the finishing tape can be used with a hard insert the one bearing and with a soft insert, to Example with Vulkollan, to the other depository, the one other diameter, be pressed.
  • the C-shaped Section is attached to a carrier and the carrier is pivotally mounted, wherein the pivot axis parallel extends to the axis of curvature of the investment areas.
  • pivot axis is mirror-symmetrical to the Investment areas arranged. This has the advantage that the from Finish element applied to the bearings forces directly into the bearing point are initiated, so that pivoting moments avoided or almost avoided.
  • the carrier by means of a biasing force in a rest position performing pivoting direction is pivoted. hereby the carrier has a preferred position, if he is not at the Bearing point is applied. Uncontrolled pivoting movements, especially when opening and closing the processing tongs, are thereby avoided.
  • the biasing force adjustable.
  • the biasing force of a compression spring in particular a helical compression spring generated.
  • the biasing force hydraulically or is generated pneumatically.
  • the processing tongs is between the Finish belt infeed and finish belt spout finishing belt free, which is wrapped around the bearing.
  • FIG. 1 shows a total of 10 Processing pliers of a finishing machine, not shown, wherein the processing tongs 10, two processing arms 12 and 14th which pivotable about pivot bearings 16 and 18 are stored, that their free ends 20 and 22 in the direction on a shaft 24 and away from this swivel are.
  • the machining arms 12 and 14 become as they are known in the art, hydraulically, pneumatically or mechanically driven.
  • reference numeral 26 denotes a finishing belt denoted by a supply roll, not shown in Direction of arrow 28 deducted, via a finishing belt inlet 30 guided and a finish element 32 is fed.
  • the Finishing tape 26 wraps around a deflection roller 34 and arrives a second finish element 32 and from this to a Finishing belt outlet 36 and a not shown Take-up roll.
  • the two shown in the figure 1 Finish elements 32 are formed substantially the same and have a holding bracket 38 which by means of screws 40 to the free ends 20 and 22 of the processing arms 12th or 14 is screwed.
  • a pivot axis 42 is provided, on which a carrier 44 is pivotally mounted so that it is one with W3 designated angle with respect to the support bracket 38 pivotally is.
  • FIG. 2 shows this carrier 44 in enlarged form Representation, with the double arrow 46, the pivoting order the pivot axis 42 is indicated.
  • This carrier 44 is present the shaft 24, in the illustrated embodiment has two bearings 48 and 50, wherein the bearing 48th a small diameter d and the bearing 50 a having a large diameter D.
  • the carrier 44 Around shafts 24 with bearings 48 and 50 with different diameters d and D to edit, the carrier 44 has two investment areas 52 and 54, the different radii of curvature r and R have.
  • the small radius of curvature r corresponds to this to the small diameter d and the large radius of curvature R to large diameter D.
  • the contact area 52 is located in a central area a C-shaped portion 56 and is flanked by the both outer contact areas 54 with the larger radii R. Since the central abutment region 52 has a smaller radius r has as the two outer bearing portions 54 with their large radii of curvature R, the C-shaped section 56 can a bearing 48 is created with a small diameter d be without the two outer abutment areas 54 bother. This also applies to the two outer contact areas 54, the at a bearing 50 with a large diameter D can lie, in which case the central investment area 52nd has a small distance to the bearing 50.
  • the abutment region 52 extends over a circumferential angle W2 along the C-shaped section, which is approximately 75 ° equivalent.
  • the two outer contact areas 54 have a circumferential angle W1 of 35 ° each.
  • the Curvature centers M1 and M2 lie in a plane 58, the the pivot axis 42 intersects.
  • the C-shaped Section 56 provided on an insert 60, wherein this Insert 60 replaceable in the carrier 44 is attached. It can also be provided several inserts, with each use one of the contact areas 52 and 54 is formed. To this Way can specifically the hardness of the C-shaped portion 56th be chosen because the inserts made of metal, plastic, Ceramics or other materials may consist and different investment areas 52 and 54 different Materials can be assigned.
  • waves 24 are processed with bearings 48 and 50, the have different diameters d and D.
  • a shaft 24 with two chosen different diameters, but where Easily more than two different diameters the shaft 24 may be provided, in which case the C-shaped Section 56 corresponding to more investment areas with has different radii of curvature.

Claims (16)

  1. Elément de finition (32) pour une machine d'usinage de finition, avec une portion en forme de C (56) apte à être appliquée contre une pièce à usiner, caractérisé en ce que la portion en C (56) comprend au moins deux zones de contact en forme de partie de cylindre creux (52 et 54), qui présentent des rayons de courbure (r et R) différents.
  2. Elément de finition selon la revendication 1, caractérisé en ce que la portion en C (56) présente une symétrie spéculaire.
  3. Elément de finition selon l'une quelconque des revendications précédentes, caractérisé en ce que la portion en C (56) présente une symétrie ponctuelle.
  4. Elément de finition selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une zone de contact médiane (52) est flanquée de deux zones de contact externes (54).
  5. Elément de finition selon la revendication 4, caractérisé en ce que la zone de contact médiane (52) présente un rayon de courbure (r) inférieur à celui des deux zones de contact externes (54).
  6. Elément de finition selon la revendication 4 ou la revendication 5, caractérisé en ce que les deux zones de contact externes (54) présentent le même rayon de courbure (R).
  7. Elément de finition selon l'une quelconque des revendications précédentes, caractérisé en ce que les zones de contact (52 et 54) s'étendent sur un angle (W1 et W2) compris entre 10° et 80°, notamment entre 35° et 75°.
  8. Elément de finition selon l'une quelconque des revendications précédentes, caractérisé en ce que la portion en C (56) est formée par un insert (60).
  9. Elément de finition selon la revendication 8, caractérisé en ce que l'insert (60) est réalisé en métal, en plastique, en céramique ou en matériau composite.
  10. Elément de finition selon l'une quelconque des revendications précédentes, caractérisé en ce que la portion en C (56) est fixée à un support (44) et en ce que le support (44) est monté articulé, l'axe d'articulation (42) s'étendant parallèlement à l'axe de courbure des zones de contact (52 et 54).
  11. Elément de finition selon la revendication 10, caractérisé en ce que l'axe d'articulation (42) est agencé en symétrie spéculaire par rapport au deux zones de contact (52 et 54).
  12. Elément de finition selon la revendication 10 ou la revendication 11, caractérisé en ce que le support (44) est basculé par une force de précontrainte dans une direction de basculement correspondant à la position de repos.
  13. Elément de finition selon la revendication 12, caractérisé en ce que la force de précontrainte est réglable.
  14. Elément de finition selon la revendication 12 ou la revendication 13, caractérisé en ce que la force de précontrainte est exercée par un ressort de compression (64) notamment un ressort hélicoïdal de compression.
  15. Elément de finition selon l'une quelconque des revendications 12 à 14, caractérisé en ce que lorsqu'elle est en position de repos, la portion en C (56) entre d'abord en contact avec la pièce à usiner à l'endroit le plus proche d'une entrée (30) ou d'une sortie (36) de la bande de finition.
  16. Elément de finition selon l'une quelconque des revendications 10 à 15, caractérisé en ce que l'axe d'articulation (42) et les centres de courbure (M1 et M2) des deux zones de contact (52 et 54) sont coplanaires.
EP03400048A 2003-08-15 2003-08-15 Outil de finition Expired - Lifetime EP1506839B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP03400048A EP1506839B1 (fr) 2003-08-15 2003-08-15 Outil de finition
DE50301626T DE50301626D1 (de) 2003-08-15 2003-08-15 Werkzeug zur Feinstbearbeitung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03400048A EP1506839B1 (fr) 2003-08-15 2003-08-15 Outil de finition

Publications (2)

Publication Number Publication Date
EP1506839A1 EP1506839A1 (fr) 2005-02-16
EP1506839B1 true EP1506839B1 (fr) 2005-11-09

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EP03400048A Expired - Lifetime EP1506839B1 (fr) 2003-08-15 2003-08-15 Outil de finition

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EP (1) EP1506839B1 (fr)
DE (1) DE50301626D1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1884315A1 (fr) 2006-08-03 2008-02-06 Supfina Grieshaber GmbH & Co. KG Outil, dispositif et procédé pour la production d'une pièce à usiner, notamment d'une broche filetée à billes
DE102007051047A1 (de) 2007-10-16 2009-04-23 Nagel Maschinen- Und Werkzeugfabrik Gmbh Andrückeinrichtung für Schneidmittel sowie Vorrichtung und Verfahren zur Finishbearbeitung von Umfangsflächen an zylindrischen Werkstückabschnitten
CN103707165A (zh) * 2012-10-01 2014-04-09 德国索菲纳有限公司 带精加工装置、带精加工系统和用于制造带精加工装置的方法
DE102012019814A1 (de) 2012-10-10 2014-04-10 Hochschule Magdeburg-Stendal Vorrichtung zur Feinbearbeitung von konvexen Werkstückoberflächen

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011081918A1 (de) 2011-08-31 2013-02-28 Nagel Maschinen- Und Werkzeugfabrik Gmbh Finishmaschine zur Finishbearbeitung gekrümmter Werkstückoberflächen an Werkstücken
CN102825528B (zh) * 2012-09-21 2015-01-07 青岛德盛机械制造有限公司 一种抛光机

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0781627B1 (fr) * 1995-12-28 2000-03-22 Supfina Grieshaber GmbH & Co. Machine de micro-finition
FR2764224B1 (fr) * 1997-06-06 1999-08-27 Procede Machines Speciales Spm Machine d'usinage par bande abrasive de portees cylindriques d'arbres

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1884315A1 (fr) 2006-08-03 2008-02-06 Supfina Grieshaber GmbH & Co. KG Outil, dispositif et procédé pour la production d'une pièce à usiner, notamment d'une broche filetée à billes
DE102007051047A1 (de) 2007-10-16 2009-04-23 Nagel Maschinen- Und Werkzeugfabrik Gmbh Andrückeinrichtung für Schneidmittel sowie Vorrichtung und Verfahren zur Finishbearbeitung von Umfangsflächen an zylindrischen Werkstückabschnitten
DE202008018526U1 (de) 2007-10-16 2015-02-25 Nagel Maschinen- Und Werkzeugfabrik Gmbh Andrückeinrichtungfür Schmittel sowie Vorrichtung zur Finishbearbeitung von Umfangsflächen an zylindrischen Werkstückabschnitten
DE202008018607U1 (de) 2007-10-16 2016-07-29 Nagel Maschinen- Und Werkzeugfabrik Gmbh Andrückeinrichtung für Schneidmittel sowie Vorrichtung zur Finishbearbeitung von Umfangsflächen an zylindrischen Werkstückabschnitten
CN106425773A (zh) * 2007-10-16 2017-02-22 纳格尔机械及工具制造厂有限责任公司 用于抛光圆柱形工件部分的周面的按压装置、设备和方法
CN103707165A (zh) * 2012-10-01 2014-04-09 德国索菲纳有限公司 带精加工装置、带精加工系统和用于制造带精加工装置的方法
CN103707165B (zh) * 2012-10-01 2017-04-12 德国索菲纳有限公司 带精加工装置、带精加工系统和用于制造带精加工装置的方法
DE102012019814A1 (de) 2012-10-10 2014-04-10 Hochschule Magdeburg-Stendal Vorrichtung zur Feinbearbeitung von konvexen Werkstückoberflächen
DE102012019814B4 (de) * 2012-10-10 2014-11-06 Hochschule Magdeburg-Stendal Vorrichtung zur Feinbearbeitung von konvexen Werkstückoberflächen

Also Published As

Publication number Publication date
DE50301626D1 (de) 2005-12-15
EP1506839A1 (fr) 2005-02-16

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